SCP-178 is a pair of white stereoscopic glasses with a rectangular white cardboard frame and lenses of transparent blue and red plastic. The item exhibits no unusual physical properties apart from a slight discoloration of the cardboard consistent with age. When worn, the wearer begins perceiving large bipedal entities in addition to its ordinary surroundings.

SCP-178 can be found inside its containment chamber, sitting atop a wooden podium. Upon equipping it the player will start to perceive instances of SCP-178-1 around the facility. Taking SCP-178 off will cause the instances to disappear, however should the player have agitated the instances, they will continue to attack the player for a short period of time before ceasing their attack.

Once SCP-178 is equipped, SCP-178-1 instances will start appearing throughout the facility. Once direct, physical contact is made with any instance, they, along with any instances around the player, will become agitated and start pursuing the player. Making any further physical contact with an instance will result in them slashing at the player until they die.

Unequipping SCP-178 will cause the instances to disappear, however they will continue to attack the player for a short period of time before ceasing.